Ion sustained-release composite particles include ion sustained-release glass and a polymer compound, wherein the polymer compound includes a homo polymer or a copolymer of a (meth)acrylate compound having a hydroxyl group.

Embodiments of the invention include a transparent material such as glass including a metal such as bismuth, particles of luminescent material such as a nitride phosphor disposed in the transparent material, and a coating disposed over the particles of luminescent material. The coating is formed to prevent reaction between the particles of luminescent material and the metal. The coating may be silica.

A wavelength-converting film includes a sintered body formed of a mixture of a wavelength-converting material and a glass composition. The wavelength-converting material includes a quantum dot having a core-shell structure and a protective layer coating a surface of the quantum dot. A shell of the quantum dot contains at least one of Zn, S, and Se, the protective layer does not contain S and Se, and the glass composition includes a SnO.sub.2P.sub.2O.sub.5SiO.sub.2-based composition.

Provided are a method for manufacturing a wavelength conversion member that can suppress the reaction between inorganic nanophosphor particles and glass to suppress the deterioration of the inorganic nanophosphor particles, and the wavelength conversion member. The method for manufacturing a wavelength conversion member according to the present invention includes the steps of: forming inorganic protective films 5 on surfaces of inorganic nanophosphor particles 1; and mixing the inorganic nanophosphor particles 1 having the inorganic protective films 5 formed thereon with glass powder and firing a resultant mixture in a temperature range where the inorganic protective films 5 survive.

A glass-coated light-accumulating material having excellent water resistance and having excellent luminescence properties for a long time period, and an efficient method for producing such a glass-coated light-accumulating material are provided.

Disclosed are a glass-coated light-accumulating material formed by incorporating a metal aluminate salt as a light-accumulating material into a glass component including a zinc phosphate glass as a main component; and a method for producing such a glass-coated light-accumulating material, in which the zinc phosphate glass includes P.sub.2O.sub.5, ZnO, and R.sub.2O (wherein RNa or K) as main components, and the melting point of the zinc phosphate glass is adjusted to a value within the range of 600 C. to 900 C.

Nanocomposite ceramic or glass materials are disclosed herein, which include a matrix material and one or more nanostructures dispersed within the matrix material. The nanostructures may comprise one or more core-shell nanostructures including a core nanostructure and a shell material. The shell material may be different from the material making up the core nanostructure and may improve the wettability of the core-shell nanostructure, the dispersion of the core-shell nanostructure within the matrix material, or make the core-shell nanostructure more resistant to oxidation, when compared to the core nanostructure alone. Methods of making nanocomposite ceramic or glass materials are also disclosed herein.

A conductive paste includes electrically conductive particles, a binder, an organic solvent, a glass powder, and a specific amount of inorganic oxide particles that are at least partially surface-coated with an organophosphorus compound and have a specific average particle size. Solar cell electrodes formed by firing the conductive paste have increased bond strength with a substrate.

A glass fiber and method for producing the same are provided. The method includes a covering process, a sintering process, a mixing process, and a drawing process. The covering process is implemented by covering a molybdenum compound onto a plurality of surfaces of a plurality of inorganic particles to form a plurality of modified inorganic particles. The sintering process is implemented by sintering the modified inorganic particles in a nitrogen atmosphere having a temperature of between 400 C. and 1,000 C. The mixing process is implemented by mixing the modified inorganic particles in a glass raw material that is in a molten state. The drawing process is implemented by drawing the glass raw material mixed with the modified inorganic particles to form a plurality of glass fibers.

A glass fiber and method for producing the same are provided. The method includes a covering process, a sintering process, a mixing process, and drawing process. The covering process is implemented by covering a tungsten compound onto a plurality of surfaces of a plurality of inorganic particles to form a plurality of modified inorganic particles. The sintering process is implemented by sintering the modified inorganic particles in a nitrogen atmosphere having a temperature of between 400 C. and 1,000 C. The mixing process is implemented by mixing the modified inorganic particles into a glass raw material that is in a molten state. The drawing process is implemented by drawing the glass raw material mixed with the modified inorganic particles to form a plurality of glass fibers.

A glass fiber and a method for producing the same are provided. The method includes: dissolving a tungsten compound into a first organic solution to form a tungsten compound sol; adding a sulfur source into the tungsten compound sol and stirring the sulfur source and the tungsten compound sol to form a tungsten sulfide gel; placing the tungsten sulfide gel in an environment having a temperature of between 600 C. and 1,200 C. for 4 hours to 6 hours to form tungsten sulfide powder; covering the tungsten sulfide powder on a plurality of surfaces of inorganic powder to form modified inorganic powder, mixing the modified inorganic powder into a glass raw material that is in a molten state; and drawing the glass raw material mixed with the modified inorganic particles to form into a plurality of glass fibers.